private void TestModifyStop2()
        {
            int            hr;
            double         l1, l2;
            IAMTimelineObj pObj = (IAMTimelineObj)m_pSource1Src;

            hr = m_pSource1Src.ModifyStopTime2(1200.56);
            DESError.ThrowExceptionForHR(hr);

            hr = pObj.GetStartStop2(out l1, out l2);
            DESError.ThrowExceptionForHR(hr);

            Debug.Assert(l2 == 1200.56, "ModifyStopTime2");
        }
        private void TestInsertSpace2()
        {
            double spacestart = 3.23;
            double spacestop  = spacestart + 5;

            int hr = m_pTrack.InsertSpace2(spacestart, spacestop);

            DESError.ThrowExceptionForHR(hr);

            double start = 0, stop = 0;

            hr = m_pSourceObj1.GetStartStop2(out start, out stop);
            DESError.ThrowExceptionForHR(hr);

            Debug.Assert(stop == spacestart, "TestInsertSpace2");
        }